1. Biochemistry Division, Chemistry Department, Faculty of Science Al‐Azhar University Cairo Egypt
2. Medical Biochemistry Department, Faculty of Medicine Assiut University Assiut Egypt
3. Chemistry Department, Faculty of Science Al‐Azhar University Cairo Egypt
4. Department of Pathology and Clinical Pathology, Faculty of Veterinary Medicine Assiut University Assiut Egypt
5. Faculty of Pharmacy Assiut University Assiut Egypt
6. Biochemistry Laboratory, Faculty of Science, Chemistry Department Assiut University Assiut Egypt